# MagnaFlow 23427 Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD) for 1981-1988 Buick Electra and More ### Performance Overview The Direct Fit Catalytic Converter is designed with a ribbed body that can reduce expansion and distortion when the converters heat up. These ribs holds the ceramic catalyst in a proper position and it also forms a channel that shields the cushioning mat from direct exposure to exhaust gases. The ceramic coating is made for maximum surface area and flow, and the coating method is strictly controlled so that exact ### Key Features - Brand: MagnaFlow - Part number: 23427 - Product type: Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD) - Designed for compatible vehicle applications listed on this page ### Vehicle Fitment - 1984 Buick Electra, Note: Limited, Park Avenue; 4.1L; 2.50"; 2.50" - 1983 Buick Lesabre, Note: Custom, Limited; 3.8L; 2.50"; 2.50" - 1984 Buick Lesabre, Note: Custom, Limited; 3.8L, 4.1L; 2.50"; 2.50" - 1985 Buick Lesabre, Note: Collector'S Edition, Custom, Limited; 3.8L; 2.50"; 2.50" - 1981 Buick Regal, Note: Sport; 3.8L; 2.50"; 2.50" - 1982 Buick Regal, Note: Sport; 3.8L; 2.50"; 2.50" - 1983 Buick Regal, Note: Base, Estate Wagon, Limited, T-Type; 3.8L; 2.50"; 2.50" - 1984 Buick Regal, Note: Base, Limited; 3.8L, 4.1L; 2.50"; 2.50" ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase. **What part number is this?** The listed part number is 23427. **Is this product designed for direct replacement?** Yes. This product is intended to match compatible vehicle applications listed in the fitment section. **Should I confirm fitment before ordering?** Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering. ### Common Searches - Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD) for Buick Electra - 23427 fitment - MagnaFlow Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD) - 1981 Buick Electra Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD) ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 1984 Buick Electra Limited, Park Avenue; 4.1L; 2.50"; 2.50" 1983 Buick Lesabre Custom, Limited; 3.8L; 2.50"; 2.50" 1984 Buick Lesabre Custom, Limited; 3.8L, 4.1L; 2.50"; 2.50" 1985 Buick Lesabre Collector'S Edition, Custom, Limited; 3.8L; 2.50"; 2.50" 1981 Buick Regal Sport; 3.8L; 2.50"; 2.50" 1982 Buick Regal Sport; 3.8L; 2.50"; 2.50" 1983 Buick Regal Base, Estate Wagon, Limited, T-Type; 3.8L; 2.50"; 2.50" 1984 Buick Regal Base, Limited; 3.8L, 4.1L; 2.50"; 2.50" 1985 Buick Regal Base, Limited; 3.8L; 2.50"; 2.50" 1986 Buick Regal Base, Limited; 3.8L, 5.0L; 2.50"; 2.50" 1987 Buick Regal Base, Limited; 3.8L, 5.0L; 2.50"; 2.50" 1981 Buick Riviera Base, T-Type; 3.8L; 2.50"; 2.50" 1982 Buick Riviera T-Type; 3.8L; 2.50"; 2.50" 1983 Buick Riviera T-Type; 3.8L; 2.50"; 2.50" 1984 Buick Riviera Base, Luxury, T-Type; 3.8L, 4.1L; 2.50"; 2.50" 1984 Chevrolet Caprice Classic; 3.8L; 2.50"; 2.50" 1984 Chevrolet El Camino Base, Conquista, Ss; 3.8L; 2.50"; 2.50" 1984 Chevrolet Impala Base; 3.8L; 2.50"; 2.50" 1981 Chevrolet Monte Carlo Base, Landau; 3.8L; 2.50"; 2.50" 1984 Chevrolet Monte Carlo Base; 3.8L; 2.50"; 2.50" 1984 GMC Caballero Amarillo, Base, Diablo; 3.8L; 2.50"; 2.50" 1984 Oldsmobile Cutlass Calais Base, Hurst; 3.8L, 5.0L; 2.50"; 2.50" 1985 Oldsmobile Cutlass Salon 442, Base; 3.8L, 5.0L; 2.50"; 2.50" 1986 Oldsmobile Cutlass Salon 442, Base; 3.8L, 5.0L; 2.50"; 2.50" 1987 Oldsmobile Cutlass Salon Base; 3.8L, 5.0L; 2.50"; 2.50" 1984 Oldsmobile Cutlass Supreme Base, Brougham; 3.8L, 5.0L; 2.50"; 2.50" 1985 Oldsmobile Cutlass Supreme Base, Brougham, Ls; 3.8L, 5.0L; 2.50"; 2.50" 1986 Oldsmobile Cutlass Supreme Base, Brougham; 3.8L, 5.0L; 2.50"; 2.50" 1987 Oldsmobile Cutlass Supreme 442, Base, Brougham; 3.8L, 5.0L; 2.50"; 2.50" 1988 Oldsmobile Cutlass Supreme Classic, Classic Brougham; 5.0L; 2.50"; 2.50" 1984 Oldsmobile Delta 88 Royale, Royale Brougham, Royale Brougham Ls; 3.8L; 2.50"; 2.50" 1985 Oldsmobile Delta 88 Royale, Royale Brougham; 3.8L; 2.50"; 2.50" 1984 Oldsmobile Toronado Brougham; 4.1L; 2.50"; 2.50" 1984 Pontiac Bonneville Base, Brougham, Le; 3.8L; 2.50"; 2.50" 1985 Pontiac Bonneville Base, Brougham, Le; 3.8L; 2.50"; 2.50" 1986 Pontiac Bonneville Base, Brougham, Le; 3.8L; 2.50"; 2.50" 1983 Pontiac Grand Prix Base, Brougham, Lj; 3.8L; 2.50"; 2.50" 1984 Pontiac Grand Prix Base, Brougham, Le; 3.8L; 2.50"; 2.50" 1985 Pontiac Grand Prix Base, Brougham, Le; 3.8L; 2.50"; 2.50" 1986 Pontiac Grand Prix Base, Brougham, Le; 3.8L; 2.50"; 2.50" 1987 Pontiac Grand Prix Base, Brougham, Le; 3.8L; 2.50"; 2.50" 1984 Pontiac Parisienne Base, Brougham; 3.8L; 2.50"; 2.50" ## Details - **Price:** 203.07 CAD - **Vendor:** MagnaFlow - **Type:** Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD) - **Tags:** 1981 Buick Regal, 1981 Buick Riviera, 1981 Chevrolet Monte Carlo, 1982 Buick Regal, 1982 Buick Riviera, 1983 Buick Lesabre, 1983 Buick Regal, 1983 Buick Riviera, 1984 Buick Electra, 1984 Buick Lesabre, 1984 Buick Regal, 1984 Buick Riviera, 1984 Chevrolet Caprice, 1984 Chevrolet El Camino, 1984 Chevrolet Impala, 1984 Chevrolet Monte Carlo, 1984 GMC Caballero, 1984 Oldsmobile Cutlass Calais, 1984 Oldsmobile Cutlass Supreme, 1984 Oldsmobile Delta 88, 1984 Oldsmobile Toronado, 1984 Pontiac Bonneville, 1985 Buick Lesabre, 1985 Buick Regal, 1985 Oldsmobile Cutlass Salon, 1985 Oldsmobile Cutlass Supreme, 1985 Oldsmobile Delta 88, 1985 Pontiac Bonneville, 1986 Buick Regal, 1986 Oldsmobile Cutlass Salon, 1986 Oldsmobile Cutlass Supreme, 1987 Buick Regal, 1987 Oldsmobile Cutlass Salon, 1987 Oldsmobile Cutlass Supreme, 1988 Oldsmobile Cutlass Supreme, 23427, Auto Parts, Automotive, Catalytic Converter, Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD), Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-23427, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 203.07 CAD | In stock | ## Images - MagnaFlow 23427 Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD) --- > Source: [Standard Auto Part](www.standardautopart.com/products/magnaflow-buick-electra-catalytic-converter-23427) > Updated: 2026-06-13